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    • 42. 发明授权
    • Switching amplifier and audio device
    • 开关放大器和音频设备
    • US08760229B2
    • 2014-06-24
    • US13526885
    • 2012-06-19
    • Jae-cheol LeeHae-jong Kim
    • Jae-cheol LeeHae-jong Kim
    • H03F3/217
    • H03F3/217
    • A switching amplifier is provided. The switching amplifier includes an input unit which receives an audio signal; a first switching device and a second switching device which switch and output the audio signal; a first snubber circuit which is commonly connected to the first and second switching devices and which reduces overshoot of the audio signal that is output by the first and second switching devices via switching; and a second snubber circuit which is commonly connected to the first and second switching devices, which is connected in parallel to the first snubber circuit and which reduces the overshoot of the audio signal, wherein the first and second snubber circuits alternately reduce the overshoot of the audio signal.
    • 提供开关放大器。 开关放大器包括接收音频信号的输入单元; 第一开关装置和第二开关装置,其切换并输出音频信号; 第一缓冲电路,其通常连接到第一和第二开关装置,并且通过开关减少由第一和第二开关装置输出的音频信号的过冲; 以及第二缓冲电路,其共同连接到与第一缓冲电路并联连接并且减少音频信号的过冲的第一和第二开关器件,其中第一和第二缓冲电路交替地减少 音频信号。
    • 45. 发明授权
    • Ink cartridge, image forming apparatus, and method to manufacture ink cartridge
    • 墨盒,图像形成装置以及制造墨盒的方法
    • US07988257B2
    • 2011-08-02
    • US12239913
    • 2008-09-29
    • Myung-song JungChang-shin ParkTae-kyun KimJae-cheol LeeDong-hwan Kim
    • Myung-song JungChang-shin ParkTae-kyun KimJae-cheol LeeDong-hwan Kim
    • B41J2/15B41J29/38B41J2/175
    • B41J2/17553B41J2/155B41J2/17513B41J2/2135
    • An ink cartridge to prevent image degradation due to a misalignment of nozzles in a transfer direction of a printing medium and a transverse direction includes a print head substrate, a first head unit including at least one first print head chip which is disposed on the print head substrate and includes a plurality of first nozzles arranged in plural lines in a second direction perpendicular to a first direction which is a transfer direction of a printing medium, thereby forming a first line in the second direction, and a second head unit including at least one second print head chip which is disposed on the print head substrate and which has an ink jetting area overlapping a predetermined area of the first line, thereby forming an overlapping area, and which includes a plurality of second nozzles arranged in plural lines in the second direction, thereby forming a second line spaced from the first line, and dots formed by the first and the second nozzles, which neighbor each other in the overlapping area when jetting ink, have a gap with respect to the first and the second directions within a range satisfying the following equation: T≦(n±⅛)*P(n is integer) wherein “T” denotes a gap between dots formed by the first and the second nozzles neighboring each other, and “P” denotes a pixel value.
    • 一种用于防止由于打印介质和横向传送方向上的喷嘴不对准导致的图像劣化的墨盒包括打印头基板,第一打印头单元,其包括设置在打印头上的至少一个第一打印头芯片 基板,并且包括在垂直于作为打印介质的传送方向的第一方向的第二方向上以多条线布置的多个第一喷嘴,从而在第二方向上形成第一线,以及第二头单元,其包括至少一个 第二打印头芯片,其布置在打印头基板上,并且具有与第一行的预定区域重叠的喷墨区域,从而形成重叠区域,并且包括在第二方向上以多行排列的多个第二喷嘴 从而形成与第一线间隔开的第二线,以及由相邻的第一和第二喷嘴形成的点 在喷墨时的重叠区域在满足以下等式的范围内相对于第一和第二方向具有间隔:T< ll;(n±⅛)* P(n为整数)其中“T”表示点之间的间隙 由彼此相邻的第一和第二喷嘴形成,“P”表示像素值。
    • 47. 发明申请
    • INK CARTRIDGE, IMAGE FORMING APPARATUS, AND METHOD TO MANUFACTURE INK CARTRIDGE
    • 墨盒,图像形成装置和制造墨盒的方法
    • US20090195578A1
    • 2009-08-06
    • US12239913
    • 2008-09-29
    • Myung-song JungChang-shin ParkTae-kyun KimJae-cheol LeeDong-hwan Kim
    • Myung-song JungChang-shin ParkTae-kyun KimJae-cheol LeeDong-hwan Kim
    • B41J29/38H01L21/00
    • B41J2/17553B41J2/155B41J2/17513B41J2/2135
    • An ink cartridge to prevent image degradation due to a misalignment of nozzles in a transfer direction of a printing medium and a transverse direction includes a print head substrate, a first head unit including at least one first print head chip which is disposed on the print head substrate and includes a plurality of first nozzles arranged in plural lines in a second direction perpendicular to a first direction which is a transfer direction of a printing medium, thereby forming a first line in the second direction, and a second head unit including at least one second print head chip which is disposed on the print head substrate and which has an ink jetting area overlapping a predetermined area of the first line, thereby forming an overlapping area, and which includes a plurality of second nozzles arranged in plural lines in the second direction, thereby forming a second line spaced from the first line, and dots formed by the first and the second nozzles, which neighbor each other in the overlapping area when jetting ink, have a gap with respect to the first and the second directions within a range satisfying the following equation: T≦(n±⅛)*P(n is integer) wherein “T” denotes a gap between dots formed by the first and the second nozzles neighboring each other, and “P” denotes a pixel value.
    • 一种用于防止由于打印介质和横向传送方向上的喷嘴不对准导致的图像劣化的墨盒包括打印头基板,第一打印头单元,其包括设置在打印头上的至少一个第一打印头芯片 基板,并且包括在垂直于作为打印介质的传送方向的第一方向的第二方向上以多条线布置的多个第一喷嘴,从而在第二方向上形成第一线,以及第二头单元,其包括至少一个 第二打印头芯片,其布置在打印头基板上,并且具有与第一行的预定区域重叠的喷墨区域,从而形成重叠区域,并且包括在第二方向上以多行排列的多个第二喷嘴 从而形成与第一线间隔开的第二线,以及由相邻的第一和第二喷嘴形成的点 喷墨时的重叠区域在满足以下等式的范围内相对于第一和第二方向具有间隙:<?in-line-formula description =“In-line formula”end =“lead”?> T <=(n±1/8)* P(n为整数)<?in-line-formula description =“In-line Formulas”end =“tail”?>其中“T”表示由 第一和第二喷嘴相邻,“P”表示像素值。